(19)

(11)

EP 1 825 028 A1

(12)

(43) Date of publication: 29.08.2007 Bulletin 2007/35 (21) Application number: 05803533.8 (22) Date of filing: 02.11.2005

(51) International Patent Classification (IPC):  C25B 15/08(2006.01) (86) International application number: PCT/CA2005/001684 (87) International publication number: WO 2006/047876 (11.05.2006 Gazette 2006/19)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK YU (30) Priority: 02.11.2004 US 522737 P 13.05.2005 US 594869 P (71) Applicants: Hy-Drive Technologies Ltd Mississauga, Ontario L5N 2L8 (CA) Gaskatel GMBH D-34127 Kassel (DE)	(72) Inventors: HELMKE, Joachim D-34379 Calden (DE) SAUER, Gerhard Hollandische Strasse 195 D-34127 Kassel (DE) (74) Representative: Perkins, Sarah et al Stevens, Hewlett & Perkins Halton House 20/23 Holborn London EC1N 2JD London EC1N 2JD (GB)